2724178065 has 32 divisors (see below), whose sum is σ = 4997431296. Its totient is φ = 1241319360.

The previous prime is 2724178033. The next prime is 2724178081. The reversal of 2724178065 is 5608714272.

It is not a de Polignac number, because 2724178065 - 2⁵ = 2724178033 is a prime.

It is a super-2 number, since 2×2724178065² = 14842292259654288450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9057 + ... + 74366.

It is an arithmetic number, because the mean of its divisors is an integer number (156169728).

Almost surely, 2^2724178065 is an apocalyptic number.

It is an amenable number.

2724178065 is a deficient number, since it is larger than the sum of its proper divisors (2273253231).

2724178065 is a wasteful number, since it uses less digits than its factorization.

2724178065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83749.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 2724178065 is about 52193.6592413293. The cubic root of 2724178065 is about 1396.6207726262.

The spelling of 2724178065 in words is "two billion, seven hundred twenty-four million, one hundred seventy-eight thousand, sixty-five".